According to an example aspect of the present invention, there is provided a travelling wave parametric amplifier comprising a waveguide transmission line comprising therein at least ten Josephson elements (110), wherein each of the at least ten Josephson element (110) comprises a loop, with exactly one Josephson junction of first size on one half of the loop and at least two Josephson junctions of a second size on a second half of the loop, the second size being larger than the first size, a flux bias line (130) configured to generate a magnetic flux threading each of the at least one loop, and a set of resistors (140) coupled with the flux bias line (130).
Patent family as of2.5.2022
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|IPC||H01L 39/ 02 A N|
|Publication status||Published - 25 Jul 2020|
|MoE publication type||H1 Granted patent|